Favorable (adjective)

1. Likely to produce a successful or good result.
2. Conducive to success or well-being.

Origin:

Late middle english: from old french favorable, from latin favorabilis, from favor "favour".

Examples:

1. The weather was favorable for the picnic.
2. The terms of the contract were favorable to the company.
3. The market conditions were favorable for investment.
4. The reviews of the play were favorable.
5. The judge's ruling was favorable to the defendant.